- from sympy.core.numbers import Float
- from sympy.physics.quantum.constants import hbar
- def test_hbar():
- assert hbar.is_commutative is True
- assert hbar.is_real is True
- assert hbar.is_positive is True
- assert hbar.is_negative is False
- assert hbar.is_irrational is True
- assert hbar.evalf() == Float(1.05457162e-34)
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